p PatchFirst

CVE-2026-64787

CVE-2026-64787

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to an unexpected process termination.

CVSS 6.5 · Medium · EPSS 0.3% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • safari

    Versions
    • ≥ 0, < 26.6.1: Affected (custom)

    Update to 26.6.1

  • ios and ipados

    Versions
    • ≥ 0, < 18.7.10: Affected (custom)
    • ≥ 0, < 26.6.1: Affected (custom)

    Update to 18.7.10

  • macos

    Versions
    • ≥ 0, < 26.6.2: Affected (custom)

    Update to 26.6.2

  • tvos

    Versions
    • ≥ 0, < 27: Affected (custom)

    Update to 27

  • visionos

    Versions
    • ≥ 0, < 27: Affected (custom)

    Update to 27

  • watchos

    Versions
    • ≥ 0, < 27: Affected (custom)

    Update to 27

  • webkit2gtk Debian:12

    Versions
    • 2.40.1-1
    • 2.40.2-1
    • 2.40.2-1~deb11u1
    • 2.40.2-1~deb12u1
    • 2.40.3-1
    • 2.40.3-2
    • 2.40.3-2~deb11u1
    • 2.40.3-2~deb11u2
    • 2.40.3-2~deb12u1
    • 2.40.3-2~deb12u2
    • 2.40.4-1
    • 2.40.5-1
    • 2.40.5-1~deb11u1
    • 2.40.5-1~deb12u1
    • 2.41.4-1
    • 2.41.5-1
    • 2.41.6-1
    • 2.41.90-1
    • 2.41.91-1
    • 2.41.91-2
    • 2.41.92-1
    • 2.42.0-1
    • 2.42.0-1~bpo12+1
    • 2.42.1-1
    • 2.42.1-1~bpo12+1
    • 2.42.1-1~deb11u1
    • 2.42.1-1~deb11u2
    • 2.42.1-1~deb12u1
    • 2.42.1-2
    • 2.42.2-1
    • 2.42.2-1~deb11u1
    • 2.42.2-1~deb12u1
    • 2.42.3-1
    • 2.42.3-1~deb11u1
    • 2.42.3-1~deb12u1
    • 2.42.4-1
    • 2.42.4-1~deb11u1
    • 2.42.4-1~deb12u1
    • 2.42.5-1
    • 2.42.5-1~deb11u1
    • 2.42.5-1~deb12u1
    • 2.42.5-2
    • 2.43.1-1
    • 2.43.2-1
    • 2.43.3-1
    • 2.43.4-1
    • 2.43.4-2
    • 2.44.0-1
    • 2.44.0-2
    • 2.44.1-1
    • 2.44.1-1~deb11u1
    • 2.44.1-1~deb12u1
    • 2.44.2-1
    • 2.44.2-1~deb11u1
    • 2.44.2-1~deb12u1
    • 2.44.3-1
    • 2.44.3-1~deb11u1
    • 2.44.3-1~deb12u1
    • 2.44.4-1
    • 2.45.1-1
    • 2.45.1-2
    • 2.45.2-1
    • 2.45.3-1
    • 2.45.4-1
    • 2.45.5-1
    • 2.45.6-1
    • 2.45.91-1
    • 2.45.92-1
    • 2.46.0-1
    • 2.46.0-2
    • 2.46.0-2~deb12u1
    • 2.46.1-1
    • 2.46.1-2
    • 2.46.1-2~bpo12+1
    • 2.46.2-1
    • 2.46.3-1
    • 2.46.3-1~deb11u1
    • 2.46.3-1~deb11u2
    • 2.46.3-1~deb12u1
    • 2.46.4-1
    • 2.46.4-1~deb11u1
    • 2.46.4-1~deb12u1
    • 2.46.5-1
    • 2.46.5-1+hurd.1
    • 2.46.5-1+hurd.2
    • 2.46.5-1~deb11u1
    • 2.46.5-1~deb12u1
    • 2.46.6-1
    • 2.46.6-1~deb11u1
    • 2.46.6-1~deb12u1
    • 2.47.1-1
    • 2.47.2-1
    • 2.47.3-1
    • 2.47.4-1
    • 2.47.90-1
    • 2.48.0-1
    • 2.48.0-1+alpha
    • 2.48.0-1+hurd.1
    • 2.48.0-1+hurd.2
    • 2.48.0-1~deb12u1
    • 2.48.1-1
    • 2.48.1-2
    • 2.48.1-2~deb12u1
    • 2.48.1-3
    • 2.48.2-1
    • 2.48.3-1
    • 2.48.3-1~deb11u1
    • 2.48.3-1~deb12u1
    • 2.48.5-1
    • 2.48.5-1~deb11u1
    • 2.48.5-1~deb12u1
    • 2.48.5-1~deb13u1
    • 2.48.6-1
    • 2.49.90-1
    • 2.50.0-1
    • 2.50.0-2
    • 2.50.1-1
    • 2.50.1-1~deb11u1
    • 2.50.1-1~deb12u1
    • 2.50.1-1~deb13u1
    • 2.50.2-1
    • 2.50.2-1~deb11u1
    • 2.50.2-1~deb12u1
    • 2.50.2-1~deb13u1
    • 2.50.3-1
    • 2.50.3-1+hurd.1
    • 2.50.3-1~deb11u1
    • 2.50.3-1~deb12u1
    • 2.50.3-1~deb13u1
    • 2.50.4-1
    • 2.50.4-1~deb11u1
    • 2.50.4-1~deb12u1
    • 2.50.4-1~deb13u1
    • 2.50.5-1
    • 2.50.6-1
    • 2.50.6-1~deb11u1
    • 2.50.6-1~deb12u1
    • 2.50.6-1~deb12u2
    • 2.50.6-1~deb13u1
    • 2.51.1-1
    • 2.51.2-1
    • 2.51.3-1
    • 2.51.4-1
    • 2.51.90-1
    • 2.51.91-1
    • 2.51.92-1
    • 2.51.93-1
    • 2.52.0-1
    • 2.52.1-1
    • 2.52.2-1
    • 2.52.2-2
    • 2.52.3-1
    • 2.52.3-2
    • 2.52.3-2~deb13u1
    • 2.52.4-1
    • 2.52.5-1
    • 2.52.5-1~deb13u1
    • 2.52.6-1
    • 2.52.6-1~deb13u1
    • 2.53.1-1
    • 2.53.2-1
    • 2.53.3-1
    • 2.53.4-1
    • 2.53.90-1
    • 2.53.91-1
    • 2.53.92-1
    • 2.54.0-1~exp1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • webkit2gtk Debian:13

    Versions
    • 2.48.3-1
    • 2.48.5-1
    • 2.48.5-1~deb11u1
    • 2.48.5-1~deb12u1
    • 2.48.5-1~deb13u1
    • 2.48.6-1
    • 2.49.90-1
    • 2.50.0-1
    • 2.50.0-2
    • 2.50.1-1
    • 2.50.1-1~deb11u1
    • 2.50.1-1~deb12u1
    • 2.50.1-1~deb13u1
    • 2.50.2-1
    • 2.50.2-1~deb11u1
    • 2.50.2-1~deb12u1
    • 2.50.2-1~deb13u1
    • 2.50.3-1
    • 2.50.3-1+hurd.1
    • 2.50.3-1~deb11u1
    • 2.50.3-1~deb12u1
    • 2.50.3-1~deb13u1
    • 2.50.4-1
    • 2.50.4-1~deb11u1
    • 2.50.4-1~deb12u1
    • 2.50.4-1~deb13u1
    • 2.50.5-1
    • 2.50.6-1
    • 2.50.6-1~deb11u1
    • 2.50.6-1~deb12u1
    • 2.50.6-1~deb12u2
    • 2.50.6-1~deb13u1
    • 2.51.1-1
    • 2.51.2-1
    • 2.51.3-1
    • 2.51.4-1
    • 2.51.90-1
    • 2.51.91-1
    • 2.51.92-1
    • 2.51.93-1
    • 2.52.0-1
    • 2.52.1-1
    • 2.52.2-1
    • 2.52.2-2
    • 2.52.3-1
    • 2.52.3-2
    • 2.52.3-2~deb13u1
    • 2.52.4-1
    Affected ranges
    • ECOSYSTEM: < 2.52.5-1~deb13u1

    Update to 2.52.5-1~deb13u1

  • webkit2gtk Debian:14

    Versions
    • 2.48.3-1
    • 2.48.5-1
    • 2.48.5-1~deb11u1
    • 2.48.5-1~deb12u1
    • 2.48.5-1~deb13u1
    • 2.48.6-1
    • 2.49.90-1
    • 2.50.0-1
    • 2.50.0-2
    • 2.50.1-1
    • 2.50.1-1~deb11u1
    • 2.50.1-1~deb12u1
    • 2.50.1-1~deb13u1
    • 2.50.2-1
    • 2.50.2-1~deb11u1
    • 2.50.2-1~deb12u1
    • 2.50.2-1~deb13u1
    • 2.50.3-1
    • 2.50.3-1+hurd.1
    • 2.50.3-1~deb11u1
    • 2.50.3-1~deb12u1
    • 2.50.3-1~deb13u1
    • 2.50.4-1
    • 2.50.4-1~deb11u1
    • 2.50.4-1~deb12u1
    • 2.50.4-1~deb13u1
    • 2.50.5-1
    • 2.50.6-1
    • 2.50.6-1~deb11u1
    • 2.50.6-1~deb12u1
    • 2.50.6-1~deb12u2
    • 2.50.6-1~deb13u1
    • 2.51.1-1
    • 2.51.2-1
    • 2.51.3-1
    • 2.51.4-1
    • 2.51.90-1
    • 2.51.91-1
    • 2.51.92-1
    • 2.51.93-1
    • 2.52.0-1
    • 2.52.1-1
    • 2.52.2-1
    • 2.52.2-2
    • 2.52.3-1
    • 2.52.3-2
    • 2.52.3-2~deb13u1
    • 2.52.4-1
    • 2.52.5-1~deb13u1
    Affected ranges
    • ECOSYSTEM: < 2.52.5-1

    Update to 2.52.5-1

  • wpewebkit Debian:12

    Versions
    • 2.38.6-1
    • 2.39.91-1
    • 2.40.0-1
    • 2.40.1-1
    • 2.40.2-1
    • 2.40.2-2
    • 2.40.3-1
    • 2.40.4-1
    • 2.40.5-1
    • 2.42.0-1
    • 2.42.1-1
    • 2.42.2-1
    • 2.42.3-1
    • 2.42.4-1
    • 2.42.5-1
    • 2.42.5-1.1
    • 2.42.5-1.1~exp1
    • 2.42.5-1.2
    • 2.42.5-2~exp
    • 2.44.1-1
    • 2.44.2-1
    • 2.44.2-2
    • 2.44.3-1
    • 2.44.4-1
    • 2.46.1-1
    • 2.46.2-1
    • 2.46.3-1
    • 2.46.4-1
    • 2.46.5-1
    • 2.46.6-1
    • 2.48.0-1
    • 2.48.1-1
    • 2.48.1-2
    • 2.48.2-1
    • 2.48.3-1
    • 2.48.5-1
    • 2.48.6-1
    • 2.48.6-2
    • 2.50.0-1
    • 2.50.0-2
    • 2.50.1-1
    • 2.50.2-1
    • 2.50.3-1
    • 2.50.4-1
    • 2.50.5-1
    • 2.50.6-1
    • 2.52.0-1
    • 2.52.1-1
    • 2.52.2-1
    • 2.52.2-2
    • 2.52.3-1
    • 2.52.4-1
    • 2.52.5-1
    • 2.52.6-1
    • 2.54.0-1
    • 2.54.0-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • wpewebkit Debian:13

    Versions
    • 2.48.3-1
    • 2.48.5-1
    • 2.48.6-1
    • 2.48.6-2
    • 2.50.0-1
    • 2.50.0-2
    • 2.50.1-1
    • 2.50.2-1
    • 2.50.3-1
    • 2.50.4-1
    • 2.50.5-1
    • 2.50.6-1
    • 2.52.0-1
    • 2.52.1-1
    • 2.52.2-1
    • 2.52.2-2
    • 2.52.3-1
    • 2.52.4-1
    • 2.52.5-1
    • 2.52.6-1
    • 2.54.0-1
    • 2.54.0-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • wpewebkit Debian:14

    Versions
    • 2.48.3-1
    • 2.48.5-1
    • 2.48.6-1
    • 2.48.6-2
    • 2.50.0-1
    • 2.50.0-2
    • 2.50.1-1
    • 2.50.2-1
    • 2.50.3-1
    • 2.50.4-1
    • 2.50.5-1
    • 2.50.6-1
    • 2.52.0-1
    • 2.52.1-1
    • 2.52.2-1
    • 2.52.2-2
    • 2.52.3-1
    • 2.52.4-1
    Affected ranges
    • ECOSYSTEM: < 2.52.5-1

    Update to 2.52.5-1

  • qtwebkit-opensource-src Ubuntu:16.04:LTS

    Versions
    • 5.4.2+dfsg-1ubuntu2.1
    • 5.5.1+dfsg-2ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • webkit2gtk Ubuntu:16.04:LTS

    Versions
    • 2.8.5+dfsg1-3
    • 2.10.3+dfsg1-1
    • 2.10.4+dfsg1-1
    • 2.10.5-1
    • 2.10.6-1
    • 2.10.6-1ubuntu1
    • 2.10.8-1ubuntu1
    • 2.10.9-1ubuntu1
    • 2.12.5-0ubuntu0.16.04.1
    • 2.14.2-0ubuntu0.16.04.1
    • 2.14.3-0ubuntu0.16.04.1
    • 2.14.5-0ubuntu0.16.04.1
    • 2.16.1-0ubuntu0.16.04.1
    • 2.16.1-0ubuntu0.16.04.2
    • 2.16.2-0ubuntu0.16.04.1
    • 2.16.3-0ubuntu0.16.04.1
    • 2.16.6-0ubuntu0.16.04.1
    • 2.18.0-0ubuntu0.16.04.2
    • 2.18.3-0ubuntu0.16.04.1
    • 2.18.4-0ubuntu0.16.04.1
    • 2.18.5-0ubuntu0.16.04.1
    • 2.18.6-0ubuntu0.16.04.1
    • 2.20.1-0ubuntu0.16.04.1
    • 2.20.2-0ubuntu0.16.04.1
    • 2.20.3-0ubuntu0.16.04.1
    • 2.20.5-0ubuntu0.16.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qtwebkit-source Ubuntu:16.04:LTS

    Versions
    • 2.3.2-0ubuntu10
    • 2.3.2-0ubuntu11
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • webkitgtk Ubuntu:16.04:LTS

    Versions
    • 2.4.9-2ubuntu2
    • 2.4.10-0ubuntu1
    • 2.4.11-0ubuntu0.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • webkit2gtk Ubuntu:18.04:LTS

    Versions
    • 2.18.0-2
    • 2.18.0-2build1
    • 2.18.2-1
    • 2.18.3-1
    • 2.18.4-1
    • 2.18.6-1
    • 2.19.91-1ubuntu1
    • 2.19.92-1
    • 2.20.0-1
    • 2.20.0-2
    • 2.20.0-2ubuntu1
    • 2.20.1-1
    • 2.20.2-0ubuntu0.18.04.1
    • 2.20.3-0ubuntu0.18.04.1
    • 2.20.5-0ubuntu0.18.04.1
    • 2.22.2-0ubuntu0.18.04.1
    • 2.22.2-0ubuntu0.18.04.2
    • 2.22.4-0ubuntu0.18.04.1
    • 2.22.5-0ubuntu0.18.04.1
    • 2.22.6-0ubuntu0.18.04.1
    • 2.24.1-0ubuntu0.18.04.1
    • 2.24.2-0ubuntu0.18.04.1
    • 2.24.4-0ubuntu0.18.04.1
    • 2.26.1-0ubuntu0.18.04.1
    • 2.26.2-0ubuntu0.18.04.1
    • 2.26.3-0ubuntu0.18.04.1
    • 2.26.4-0ubuntu0.18.04.1
    • 2.28.0-0ubuntu0.18.04.3
    • 2.28.1-0ubuntu0.18.04.1
    • 2.28.2-0ubuntu0.18.04.1
    • 2.28.3-0ubuntu0.18.04.1
    • 2.28.4-0ubuntu0.18.04.1
    • 2.30.3-0ubuntu0.18.04.1
    • 2.30.5-0ubuntu0.18.04.1
    • 2.30.6-0ubuntu0.18.04.1
    • 2.32.0-0ubuntu0.18.04.1
    • 2.32.3-0ubuntu0.18.04.1
    • 2.32.4-0ubuntu0.18.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qtwebkit-opensource-src Ubuntu:18.04:LTS

    Versions
    • 5.9.1+dfsg-5ubuntu1
    • 5.9.1+dfsg-5ubuntu3
    • 5.212.0~alpha2-5build2
    • 5.212.0~alpha2-5build4
    • 5.212.0~alpha2-7
    • 5.212.0~alpha2-7build2
    • 5.212.0~alpha2-7ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qtwebkit-source Ubuntu:18.04:LTS

    Versions
    • 2.3.2-0ubuntu13
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • webkitgtk Ubuntu:18.04:LTS

    Versions
    • 2.4.11-3
    • 2.4.11-3ubuntu2
    • 2.4.11-3ubuntu3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • webkit2gtk Ubuntu:20.04:LTS

    Versions
    • 2.26.1-3
    • 2.26.2-1
    • 2.26.3-1ubuntu2
    • 2.26.4-1ubuntu1
    • 2.28.0-1ubuntu2
    • 2.28.1-1
    • 2.28.2-0ubuntu0.20.04.1
    • 2.28.3-0ubuntu0.20.04.1
    • 2.28.4-0ubuntu0.20.04.1
    • 2.30.3-0ubuntu0.20.04.1
    • 2.30.5-0ubuntu0.20.04.1
    • 2.30.6-0ubuntu0.20.04.1
    • 2.32.0-0ubuntu0.20.04.1
    • 2.32.3-0ubuntu0.20.04.1
    • 2.32.4-0ubuntu0.20.04.1
    • 2.34.1-0ubuntu0.20.04.1
    • 2.34.3-0ubuntu0.20.04.1
    • 2.34.4-0ubuntu0.20.04.1
    • 2.34.6-0ubuntu0.20.04.1
    • 2.36.0-0ubuntu0.20.04.3
    • 2.36.2-0ubuntu0.20.04.1
    • 2.36.3-0ubuntu0.20.04.1
    • 2.36.4-0ubuntu0.20.04.1
    • 2.36.6-0ubuntu0.20.04.1
    • 2.36.7-0ubuntu0.20.04.1
    • 2.36.8-0ubuntu0.20.04.1
    • 2.38.2-0ubuntu0.20.04.1
    • 2.38.3-0ubuntu0.20.04.1
    • 2.38.4-0ubuntu0.20.04.2
    • 2.38.5-0ubuntu0.20.04.1
    • 2.38.6-0ubuntu0.20.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qtwebkit-opensource-src Ubuntu:20.04:LTS

    Versions
    • 5.212.0~alpha3-3
    • 5.212.0~alpha3-5
    • 5.212.0~alpha3-6
    • 5.212.0~alpha3-7
    • 5.212.0~alpha4-1
    • 5.212.0~alpha4-1ubuntu1
    • 5.212.0~alpha4-1ubuntu2
    • 5.212.0~alpha4-1ubuntu2.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • wpewebkit Ubuntu:20.04:LTS

    Versions
    • 2.26.3-1
    • 2.26.4-1
    • 2.26.4-1build1
    • 2.28.0-1
    • 2.28.1-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qtwebkit-opensource-src Ubuntu:22.04:LTS

    Versions
    • 5.212.0~alpha4-12
    • 5.212.0~alpha4-13
    • 5.212.0~alpha4-14
    • 5.212.0~alpha4-14build1
    • 5.212.0~alpha4-14ubuntu2
    • 5.212.0~alpha4-15ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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